Tech & Bio is a biannual international professional exhibition event to present new products, machines and services for organic and sustainable farmings, at Valence (France). 200 flyers about NUTRIMAN were distributed in the APCA “Water and Environment” stand during the exhibition organized in 21-22-23 September 2021. Visitors (Farmers, advisors, companies, associations, students and teachers) notably looked for information to improve the water quality and the soil quality.